21773160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 73082880

約数和(自身を除く): 51309720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 1951, 2232, 2790, 3720, 3902, 5580, 5853, 7804, 9755, 11160, 11706, 15608, 17559, 19510, 23412, 29265, 35118, 39020, 46824, 58530, 60481, 70236, 78040, 87795, 117060, 120962, 140472, 175590, 181443, 234120, 241924, 302405, 351180, 362886, 483848, 544329, 604810, 702360, 725772, 907215, 1088658, 1209620, 1451544, 1814430, 2177316, 2419240, 2721645, 3628860, 4354632, 5443290, 7257720, 10886580, 21773160]

約数ペア:

[(1, 21773160), (2, 10886580), (3, 7257720), (4, 5443290), (5, 4354632), (6, 3628860), (8, 2721645), (9, 2419240), (10, 2177316), (12, 1814430), (15, 1451544), (18, 1209620), (20, 1088658), (24, 907215), (30, 725772), (31, 702360), (36, 604810), (40, 544329), (45, 483848), (60, 362886), (62, 351180), (72, 302405), (90, 241924), (93, 234120), (120, 181443), (124, 175590), (155, 140472), (180, 120962), (186, 117060), (248, 87795), (279, 78040), (310, 70236), (360, 60481), (372, 58530), (465, 46824), (558, 39020), (620, 35118), (744, 29265), (930, 23412), (1116, 19510), (1240, 17559), (1395, 15608), (1860, 11706), (1951, 11160), (2232, 9755), (2790, 7804), (3720, 5853), (3902, 5580)]